diff --git a/requirements-dev.txt b/requirements-dev.txt
index 143fe97..a147fcf 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ pytest==5.4.2
 pytest-cov==2.9.0
 pytest-mock==3.1.0
 coverage==5.1
-sphinx==3.0.3
+sphinx==3.0.4
 pep257==0.7.0
 aiohttp-session==2.9.0
 aiopg[sa]==1.0.0